DescriptionMaterial: FabricSize: 100 x 100cm/39.4'' x 39.4''Color: BlackPackage Include:1pc x Activated Carbon Purifier Pre Filter Features:Made of non-woven fabric material.This filter is specially designed to purify air.Effective adsorption of all kinds of industrial waste gas.A great accessory for your daily life.5mm thick、 1 square meters.You can cut the size as you need.Notice:1.Please allow 1-3cm error due to manual measurement.Pls make sure you do not mind before you bid.2.The color may have different as the difference display、pls understand.